243040235552 has 24 divisors (see below), whose sum is σ = 479425545900. Its totient is φ = 121281366784.

The previous prime is 243040235519. The next prime is 243040235561. The reversal of 243040235552 is 255532040342.

It can be written as a sum of positive squares in 2 ways, for example, as 235492796176 + 7547439376 = 485276^2 + 86876^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7444427 + ... + 7477002.

Almost surely, 2^243040235552 is an apocalyptic number.

It is an amenable number.

243040235552 is a deficient number, since it is larger than the sum of its proper divisors (236385310348).

243040235552 is a wasteful number, since it uses less digits than its factorization.

243040235552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921948 (or 14921940 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 243040235552 its reverse (255532040342), we get a palindrome (498572275894).

The spelling of 243040235552 in words is "two hundred forty-three billion, forty million, two hundred thirty-five thousand, five hundred fifty-two".